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OpenStudy (anonymous):
Use basic identities to simplify the expre2ssion. sin^2theta+tan^2theta+cos^2theta
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OpenStudy (xapproachesinfinity):
remember that \[\sin^2\theta+\cos^2\theta=1\]
OpenStudy (xapproachesinfinity):
also \[1+\tan^2\theta=\sec^2\theta\]
OpenStudy (xapproachesinfinity):
figure out the rest...
OpenStudy (jdoe0001):
ditto
OpenStudy (welshfella):
yea
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OpenStudy (jdoe0001):
as easy as \(\huge \pi\)
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